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In the Linux kernel, the following vulnerability has been resolved:
usb: ucsi: Fix NULL pointer deref in ucsi_connector_change()
When ucsi_init() fails, ucsi->connector is NULL, yet in case of ucsi_acpi we may still get events which cause the ucs_acpi code to call ucsi_connector_change(), which then derefs the NULL ucsi->connector pointer.
Fix this by not setting ucsi->ntfy inside ucsi_init() until ucsi_init() has succeeded, so that ucsi_connector_change() ignores the events because UCSI_ENABLE_NTFY_CONNECTOR_CHANGE is not set in the ntfy mask.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | May 5, 2025 | May 2, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel | Sep 25, 2025 | Sep 15, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 2, 2025 |
| Ubuntu | — | Upgrade linux-nvidia-tegra-5.15Upgrade linux-hwe-5.15Upgrade linux-realtimeUpgrade linux-aws-5.15Upgrade linux-bluefieldUpgrade linux-nvidia-tegraUpgrade linux-awsUpgrade linux-azure-fdeUpgrade linux-gkeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-ibm-5.15Upgrade linux-raspiUpgrade linux-gcp-5.15Upgrade linux-azureUpgrade linux-azure-5.15Upgrade linux-gcpUpgrade linux-intel-iot-realtimeUpgrade linux-oracle-5.15Upgrade linux-nvidiaUpgrade linux-xilinx-zynqmpUpgrade linuxUpgrade linux-ibmUpgrade linux-riscv-5.15Upgrade linux-gkeopUpgrade linux-lowlatencyUpgrade linux-intel-iotgUpgrade linux-intel-iotg-5.15Upgrade linux-oracleUpgrade linux-kvmUpgrade linux-nvidia-tegra-igx | May 8, 2025 | May 2, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | May 2, 2025 |
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